Melaniedawson334 Melaniedawson334

19-02-2017
Mathematics

Answered

find all the real square roots of 0.0081

a.0.9 and -0.9

B0.0405 and -0.0405
C0.2846 and -0.2846
D0.09 and -0.09

Verified Answer :

brittneyrost brittneyrost

19-02-2017

The answer will be d. With decimals, the order of magnitude will decrease when multiplied. as 0.0081 is to the third decimal place you know the answer will be to the second decimal place leaving 0.09 and -0.09. It has to be 9 as 9^2 is 81

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